A = (2.18, 1)
B = (5.7, 0.94)
a = 0 (slider from 0 to d, step 0.01)
c = Circle(A, a)
d = 2.8 (slider from 0 to 10, step 0.1)
e = Circle(B, d + a)
C = Intersect(c, e, 1)
D = Intersect(c, e, 2)
b = Segment(A, D)
f = Segment(D, B)
g = Segment(B, C)
h = Segment(C, A)
k = Circle(B, a)
p = Circle(A, d + a)
E = Intersect(k, p, 2)
F = Intersect(k, p, 1)
i = Segment(E, B)
j = Segment(B, F)
l = Segment(E, A)
m = Segment(F, A)